send/app/templates/popup/popup.css

.popup {
  visibility: hidden;
  min-width: 204px;
  min-height: 105px;
  background-color: var(--pageBGColor);
  color: var(--textColor);
  border: 1px solid #d7d7db;
  padding: 15px 24px;
  box-sizing: content-box;
  text-align: center;
  border-radius: 5px;
  position: absolute;
  z-index: 1;
  bottom: 20px;
  left: -40px;
  transition: opacity 0.5s;
  opacity: 0;
  outline: 0;
  box-shadow: 3px 3px 7px rgba(136, 136, 136, 0.3);
}

.popup::after {
  content: '';
  position: absolute;
  bottom: -11px;
  left: 20px;
  background-color: #fff;
  display: block;
  width: 20px;
  height: 20px;
  transform: rotate(45deg);
  border-radius: 0 0 5px;
  border-right: 1px solid #d7d7db;
  border-bottom: 1px solid #d7d7db;
  border-left: 1px solid #fff;
  border-top: 1px solid #fff;
}

.popup__wrapper {
  position: absolute;
  display: inline-block;
}

.popup__message {
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-bottom: 1px #ebebeb solid;
  color: var(--textColor);
  font-size: 15px;
  font-weight: normal;
  padding-bottom: 15px;
  white-space: nowrap;
  width: calc(100% + 48px);
  margin-left: -24px;
}

.popup__action {
  margin-top: 15px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.popup__no {
  color: #4a4a4a;
  background-color: #fbfbfb;
  border: 1px #c1c1c1 solid;
  border-radius: 5px;
  padding: 5px 25px;
  font-weight: normal;
  min-width: 94px;
  box-sizing: border-box;
  cursor: pointer;
  white-space: nowrap;
}

.popup__no:hover {
  background-color: #efeff1;
}

.popup__yes {
  color: var(--primaryControlFGColor);
  background-color: var(--primaryControlBGColor);
  border-radius: 5px;
  padding: 5px 25px;
  font-weight: normal;
  cursor: pointer;
  min-width: 94px;
  box-sizing: border-box;
  white-space: nowrap;
  margin-left: 12px;
}

.popup__yes:hover {
  background-color: var(--primaryControlHoverColor);
}

.popup--show {
  visibility: visible;
  opacity: 1;
}

@media (max-device-width: 992px), (max-width: 992px) {
  .popup {
    left: auto;
    right: -40px;
  }

  .popup::after {
    left: auto;
    right: 36px;
  }
}

@media (max-device-width: 520px), (max-width: 520px) {
  .popup::after {
    left: 125px;
  }
}